{"product_id":"fakro-dmf-d-u8-manually-operated-flat-roof-window","title":"Fakro DMF-D U8 Manually Operated Flat Roof Window","description":"\u003ch3\u003eFakro DMF-D U8 Manually Operated Flat Roof Window\u003c\/h3\u003e\n\nThe \u003cstrong\u003eFakro DMF-D U8 Manually Operated Flat Roof Window\u003c\/strong\u003e is a high-performance solution for bringing natural daylight and fresh air into modern residential and commercial spaces. With its manually operated design and advanced quadruple glazing, it provides convenient ventilation alongside excellent thermal insulation, helping create a comfortable and energy-efficient interior.\n\n\u003ch3\u003eSimple Manual Ventilation\u003c\/h3\u003e\n\nThe DMF-D U8 is designed for straightforward manual operation, allowing you to open the window whenever fresh air is needed. This gives you direct control over ventilation without relying on an electrical opening system, making it a practical choice for everyday use.\n\n\u003ch3\u003eHigh-Performance Quadruple Glazing\u003c\/h3\u003e\n\nThe window features \u003cstrong\u003equadruple glazing\u003c\/strong\u003e with toughened external glass and laminated anti-burglary internal glass rated P2A or higher. This advanced glazing configuration provides a strong combination of thermal insulation, durability and security while allowing natural light to enter the room.\n\nThe entire window can achieve a U-value as low as \u003cstrong\u003e0.64 W\/m²K\u003c\/strong\u003e, helping to limit heat loss through the roof and support improved energy efficiency throughout the year.\n\n\u003ch3\u003eEnhanced Acoustic Comfort\u003c\/h3\u003e\n\nAlongside its strong thermal performance, the Fakro DMF-D U8 provides sound insulation of up to \u003cstrong\u003e34dB (-1, -3)\u003c\/strong\u003e. This can help reduce external noise and create a more peaceful indoor environment, making the window suitable for a range of living and working spaces.\n\n\u003ch3\u003eDurable Insulated Frame\u003c\/h3\u003e\n\nThe DMF-D U8 is supplied with a \u003cstrong\u003e150mm multi-chamber UPVC kerb upstand\u003c\/strong\u003e finished in RAL9010 white PVC. The robust construction provides strength and rigidity while supporting the window's thermal performance for dependable long-term use.\n\n\u003ch3\u003eContemporary Design\u003c\/h3\u003e\n\nThe window combines its practical features with a modern architectural finish. The \u003cstrong\u003eRAL9005 black profiles\u003c\/strong\u003e and dark-edge glazing effect give the Fakro DMF-D U8 a sleek appearance that can complement contemporary residential and commercial buildings.\n\n\u003ch3\u003eSuitable for Flat Roofs\u003c\/h3\u003e\n\nDesigned for flat roofs with pitches between \u003cstrong\u003e2° and 15°\u003c\/strong\u003e, the Fakro DMF-D U8 can be used across a variety of roof configurations. Its manually operated design makes it particularly useful in spaces where both natural daylight and controllable ventilation are required.\n\n\u003ch3\u003eAvailable Sizes\u003c\/h3\u003e\n\nThe Fakro DMF-D U8 Manually Operated Flat Roof Window is available in a range of sizes to suit different rooms, roof layouts and daylighting requirements:\n\n\u003cul\u003e \u003cli\u003e\u003cstrong\u003e600 x 600mm\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003e600 x 900mm\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003e700 x 700mm\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003e800 x 800mm\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003e900 x 900mm\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003e900 x 1200mm\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003e1000 x 1000mm\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003e1000 x 1500mm\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003e1200 x 1200mm\u003c\/strong\u003e\u003c\/li\u003e \u003c\/ul\u003e\n\nThe range includes both square and rectangular options, from the compact \u003cstrong\u003e600 x 600mm\u003c\/strong\u003e size through to the larger \u003cstrong\u003e1000 x 1500mm\u003c\/strong\u003e and \u003cstrong\u003e1200 x 1200mm\u003c\/strong\u003e options, providing flexibility for different flat roof applications.\n\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\n\u003cul\u003e \u003cli\u003eManually operated design for convenient ventilation control\u003c\/li\u003e \u003cli\u003eHigh-performance quadruple glazing\u003c\/li\u003e \u003cli\u003eToughened external glass for increased durability\u003c\/li\u003e \u003cli\u003eLaminated anti-burglary internal glass rated P2A or higher\u003c\/li\u003e \u003cli\u003eWhole-window U-value as low as \u003cstrong\u003e0.64 W\/m²K\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eSound insulation of up to \u003cstrong\u003e34dB (-1, -3)\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003e150mm multi-chamber UPVC kerb upstand\u003c\/li\u003e \u003cli\u003eRAL9005 black profiles with a modern dark-edge glazing effect\u003c\/li\u003e \u003cli\u003eSuitable for flat roof pitches between \u003cstrong\u003e2° and 15°\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eSuitable for residential and commercial applications\u003c\/li\u003e \u003cli\u003eAvailable in 9 different sizes\u003c\/li\u003e \u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eIs the Fakro DMF-D U8 Flat Roof Window manually operated?\u003c\/h4\u003e\n\nYes. The \u003cstrong\u003eFakro DMF-D U8 Manually Operated Flat Roof Window\u003c\/strong\u003e is designed for manual opening, allowing you to control ventilation and bring fresh air into the room whenever required.\n\n\u003ch4\u003eWhat glazing does the Fakro DMF-D U8 use?\u003c\/h4\u003e\n\nThe DMF-D U8 features \u003cstrong\u003equadruple glazing\u003c\/strong\u003e with toughened external glass and laminated anti-burglary internal glass rated P2A or higher. This provides excellent thermal insulation while also supporting security and durability.\n\n\u003ch4\u003eWhat sizes are available for the Fakro DMF-D U8?\u003c\/h4\u003e\n\nThe Fakro DMF-D U8 is available in nine sizes: \u003cstrong\u003e600 x 600mm, 600 x 900mm, 700 x 700mm, 800 x 800mm, 900 x 900mm, 900 x 1200mm, 1000 x 1000mm, 1000 x 1500mm and 1200 x 1200mm\u003c\/strong\u003e. This selection provides options for a variety of flat roof layouts and daylighting requirements.","brand":"Fakro","offers":[{"title":"600x600mm","offer_id":55491126690134,"sku":"117067","price":1647.0,"currency_code":"GBP","in_stock":true},{"title":"600x900mm","offer_id":55491126722902,"sku":"117068","price":1782.0,"currency_code":"GBP","in_stock":true},{"title":"700x700mm","offer_id":55491126755670,"sku":"117069","price":1843.0,"currency_code":"GBP","in_stock":true},{"title":"800x800mm","offer_id":55491126788438,"sku":"117070","price":1854.0,"currency_code":"GBP","in_stock":true},{"title":"900x900mm","offer_id":55491126821206,"sku":"117071","price":1969.0,"currency_code":"GBP","in_stock":true},{"title":"900x1200mm","offer_id":55491126853974,"sku":"117072","price":2272.0,"currency_code":"GBP","in_stock":true},{"title":"1000x1000mm","offer_id":55491126886742,"sku":"117073","price":2212.0,"currency_code":"GBP","in_stock":true},{"title":"1000x1500mm","offer_id":55491126919510,"sku":"117074","price":2741.0,"currency_code":"GBP","in_stock":true},{"title":"1200x1200mm","offer_id":55491126952278,"sku":"117075","price":2681.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/fakro-dmf-d-u8-manually-operated-flat-roof-window-9058429.jpg?v=1790439372","url":"https:\/\/jjbuildingmaterials.co.uk\/products\/fakro-dmf-d-u8-manually-operated-flat-roof-window","provider":"JJ Building Materials","version":"1.0","type":"link"}